.top {
  width: 100%;
  height: 300px;
  background: url(../images/W_img/my_banner.jpg);
  background-size: 100% 100%;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
}
.top .topimg {
  width: 30%;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.top .topimg img {
  width: 35%;
  border-radius: 50%;
  overflow: hidden;
}
.top span {
  font-size: 50px;
  color: #fff;
  line-height: 300px;
}
.zhong {
  text-align: center;
}
.zhong .denglu {
  font-size: 65px;
  display: inline-block;
  width: 40%;
  text-align: center;
  margin: 30% auto;
  padding: 20px 0;
  border-radius: 3px;
  color: #666;
  border: 1px solid #aaa;
}
.footer_bottom {
  width: 100%;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  margin-top: 1%;
  background: #fff;
  position: fixed;
  bottom: 0;
  z-index: 500;
}
.footer_bottom a {
  -webkit-box-flex: 1;
  -webkit-flex: 1;
      -ms-flex: 1;
          flex: 1;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -webkit-flex-direction: column;
      -ms-flex-direction: column;
          flex-direction: column;
  text-align: center;
}
.footer_bottom a dl dt img {
  width: 46%;
}
.footer_bottom a dl dd {
  padding-top: 1%;
  font-size: 20px;
}
